If you’re looking for a survival tool for home power outages, and remote and outdoor living, this easy-to-carry “powerhouse” ...

A compact thermoelectric generator built by researchers at Pennsylvania State University can convert exhaust heat from cars, helicopters, and unmanned aerial vehicles (UAVs) into usable electric ...

Combustion engines only use a quarter of the fuel’s potential energy while the rest is lost as heat through exhaust. Now, a ...

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